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drm/bridge: cdns-dsi: Select VIDEOMODE_HELPERS

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When no other driver selects CONFIG_VIDEOMODE_HELPERS but
CONFIG_DRM_CDNS_DSI is enabled, there is a linker or modpost error:

  ERROR: modpost: "drm_display_mode_to_videomode" [drivers/gpu/drm/bridge/cadence/cdns-dsi.ko] undefined!

Select VIDEOMODE_HELPERS to ensure that this helper function is
available to the driver.

Fixes: ce4bc5ca7c ("drm/bridge: cdns-dsi: Use video mode and clean up cdns_dsi_mode2cfg()")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250821-cdns-videohelpers-v1-1-853e021908cf@kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Nathan Chancellor
2025-08-21 13:52:12 -07:00
committed by Dmitry Baryshkov
parent 2f509fe6a4
commit 28fa7f5243
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/bridge/cadence/Kconfig
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@@ -6,6 +6,7 @@ config DRM_CDNS_DSI
select DRM_PANEL_BRIDGE
select GENERIC_PHY
select GENERIC_PHY_MIPI_DPHY
select VIDEOMODE_HELPERS
depends on OF
help
Support Cadence DPI to DSI bridge. This is an internal